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Issues: rust-lang/rust

Draft release notes for 1.88.0
#141598 opened May 26, 2025 by Mark-Simulacrum
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Issues list

ICE: "unsized type for NullaryOp::SizeOf" caused by size_of::<str>() with an unsatisfied Sized bound C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141735 opened May 29, 2025 by theemathas
ICE caused by trying to check if a reference is fat or not in consteval with an unsatisfied Sized bound C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141734 opened May 29, 2025 by theemathas
1
Cannot bootstrap rust with system compiler and customized libdir from 1.85 (stage0-sysroot) C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#141722 opened May 29, 2025 by lucabonnix
1
9
Adding where clause already filled relax traits bounds in impl C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141721 opened May 29, 2025 by supersurviveur
Cannot read from STDIN with read_to_string if reading before piping Rust program writes to STDOUT in another Rust program C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141714 opened May 29, 2025 by kiseitai3
1
Incoherent (?) Lifetime HRTB on associated type results in unsoundness in stable, safe code A-associated-items Area: Associated items (types, constants & functions) A-closures Area: Closures (`|…| { … }`) A-type-system Area: Type system C-bug Category: This is a bug. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-types Relevant to the types team, which will review and decide on the PR/issue.
#141713 opened May 29, 2025 by maxdexh
11
LLVM optimization often (always?) results of loss of closure upvar debug info A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. WG-llvm Working group: LLVM backend code generation
#141712 opened May 29, 2025 by khuey
-Zno-link is broken (take 2) -Zno-link Unstable option: -Zno-link A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141706 opened May 28, 2025 by bjorn3
ICE:invalid predicate filter for remap_gat_vars_and_recurse_into_nested_projections C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141694 opened May 28, 2025 by sososopy
1
ICE:rustc panicked at compiler\rustc_const_eval\src\interpret\call.rs:293:9 C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141691 opened May 28, 2025 by sososopy
cargo tests seems to not run by default on ./x test --stage 2 A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#141686 opened May 28, 2025 by jieyouxu
Adding use std::error::Error unexpectedly breaks lifetime inference A-lifetimes Area: Lifetimes / regions A-type-system Area: Type system C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#141673 opened May 28, 2025 by phip1611
4
Bounds check eliminated only when array length is a constant C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141671 opened May 28, 2025 by DaniPopes
6
Panic in source_span_for_markdown_range A-intra-doc-links Area: Intra-doc links, the ability to link to items in docs by name A-markdown-parsing Area: Markdown parsing for doc-comments A-Unicode Area: Unicode C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#141665 opened May 27, 2025 by GuillaumeGomez
1
@lolbinarycat
4
Multiple uses of --emit=dep-info do different things in rustc and rustdoc C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#141664 opened May 27, 2025 by aDotInTheVoid
tests/ui/process/nofile-limit.rs always fails locally for me A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141631 opened May 27, 2025 by fee1-dead
5
Compiler Error when working with Complex Types and Traits (sometimes) A-incr-comp Area: Incremental compilation C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141625 opened May 27, 2025 by Some1and2-XC
DerefMut auto-deref error for union fields sometimes doesn't trigger A-frontend Area: Compiler frontend (errors, parsing and HIR) C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#141621 opened May 26, 2025 by Alexendoo
VaList<'_> does not carry its ABI in its type A-ABI Area: Concerning the application binary interface (ABI) C-bug Category: This is a bug. F-c_variadic `#![feature(c_variadic)]` T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#141618 opened May 26, 2025 by workingjubilee
7
tests/run-make/mte-ffi/ has incompatible C pointer types but doesn't fail in aarch64-gnu A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141600 opened May 26, 2025 by jieyouxu
ICE: assertion failed: assert_eq!(self.diverges.get(), Diverges::Maybe) in rustc_hir_typeck/src/expr.rs C-bug Category: This is a bug. F-never_patterns `#![feature(never_patterns)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141592 opened May 26, 2025 by cushionbadak
@chenyukang
ICE: interpret const eval failure of Unevaluated(..) which is not in required_consts C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141590 opened May 26, 2025 by cushionbadak
2
ICE: None in rustc_mir_build/src/builder/matches/mod.rs C-bug Category: This is a bug. F-never_patterns `#![feature(never_patterns)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141589 opened May 26, 2025 by cushionbadak
2
Instrumentation profile data contains empty function name (?) as of nightly-2025-05-19 A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-prioritize Issue: Indicates that prioritization has been requested for this issue. regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141577 opened May 26, 2025 by jan-ferdinand
@Zalathar
11
-Zhuman-readable-cgu-names generates filenames that exceed the character limit on windows A-codegen Area: Code generation C-bug Category: This is a bug. O-windows Operating system: Windows requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141547 opened May 25, 2025 by Diggsey
1
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